B0020Wysoki
Kod B0020 oznacza usterkę w sterowaniu wyzwalaniem poduszki powietrznej po lewej stronie (system SRS).
Nadwozie
Sprawdź szczegóły →B0235
KrytycznyDriver Airbag Circuit Fault – Stage 2 (Squib). The code signals a problem in the electrical circuit of the driver's frontal airbag second stage inflator.
OBD-II (EN): Driver Airbag Squib Stage 2 Circuit Fault
Code B0235 means a fault in the electrical circuit of the driver's frontal airbag second stage squib. This could indicate a problem with the wiring harness, the clock spring connector under the steering wheel, or the squib module itself. Due to the direct impact on the SRS system operation, diagnosis and repair should be entrusted to a qualified service center.
Symptoms
Continuous or flashing SRS/Airbag warning light on the dashboard; possible deactivation of the entire airbag and pretensioner system; no audible warnings at vehicle startup; in some vehicles, deactivation of side airbags.
Possible causes
• Damage or open circuit in the wiring harness leading to the driver's airbag squib module • Corrosion or oxidation of the clock spring connector under the steering wheel • Faulty second stage airbag squib module • Damaged or misadjusted SRS control module (ACM/SDM) • Short circuit in the squib circuit to ground or battery voltage
Affected systems
SRS / AirbagPoduszka powietrzna kierowcy (stage 2)Złącze zegarkowe (clock spring)Moduł sterujący SRS (ACM/SDM)Pasy bezpieczeństwa z napinaczami
Related codes
B0001Krytyczny
System poduszek powietrznych — usterka ogólna
Nadwozie
Sprawdź szczegóły →Code B0235 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B0235 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.